This is component 2 of a number of that I made in July 2017 in my water examination container. I am sharing these principles of a sophisticated propulsion idea which presses power in advance of a craft to earn the craft enter the forward instructions. There are some design difficulties in genuine applications however they are easily fixed by the clever-minded. This sort of propulsion is referred to as uneven propulsion. This idea is the response to why a bumblebee could fly although it is aerodynamically not able to do so.